AD5242BRUZ100

Overview

Category: Integrated Circuit (IC)

Use: Digital Potentiometer

Characteristics: - Dual-channel, 256-position digital potentiometer - Non-volatile memory for storing wiper position - I2C-compatible interface for communication - Wide operating voltage range: 2.7V to 5.5V - Low power consumption - Small package size - RoHS compliant

Package: 16-Lead TSSOP

Essence: The AD5242BRUZ100 is a dual-channel digital potentiometer IC that allows for digitally controlled resistance adjustments. It is commonly used in various electronic circuits where precise resistance settings are required.

Packaging/Quantity: The AD5242BRUZ100 is available in a 16-Lead Thin Shrink Small Outline Package (TSSOP). It is typically sold in reels of 2500 units.

Specifications

• Resolution: 8 bits per channel
• Resistance Range: 0Ω to 100kΩ
• Temperature Range: -40°C to +125°C
• Power Supply Voltage: 2.7V to 5.5V
• Total Harmonic Distortion: <0.01%
• Operating Current: 400μA (typical)
• Standby Current: 1μA (typical)

Pin Configuration

The AD5242BRUZ100 has a 16-pin configuration as follows:

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| | | 1 2 3 4 5 6 | | __________________________________| | | | | | 16 15 14 13 12 11 10 9 | | |__________________________________| | | | 7 8 | |_______________________________________| ```

1. A0: Address Input
2. A1: Address Input
3. VSS: Ground
4. SDA: Serial Data Input/Output
5. SCL: Serial Clock Input
6. WP: Write Protect Input
7. VDD: Power Supply Voltage
8. B1: Terminal B, Channel 1
9. W1: Wiper Terminal, Channel 1
10. A1: Terminal A, Channel 1
11. B2: Terminal B, Channel 2
12. W2: Wiper Terminal, Channel 2
13. A2: Terminal A, Channel 2
14. VLOGIC: Logic Supply Voltage
15. VSS: Ground
16. NC: No Connection

Functional Features

• Dual-channel design allows independent control of two potentiometers.
• Non-volatile memory ensures that the wiper position is retained even when power is disconnected.
• I2C-compatible interface enables easy communication with microcontrollers and other digital devices.
• Wide operating voltage range makes it suitable for various applications.
• Low power consumption helps to conserve energy.
• Small package size saves board space.
• RoHS compliant, ensuring environmental friendliness.

Advantages and Disadvantages

Advantages: - Precise resistance adjustments with 256-position resolution. - Non-volatile memory eliminates the need for external storage. - Easy integration into digital systems with I2C compatibility. - Versatile operating voltage range allows for flexibility in different applications. - Low power consumption extends battery life. - Compact package size facilitates space-constrained designs.

Disadvantages: - Limited resistance range compared to some other digital potentiometers. - Higher cost compared to traditional mechanical potentiometers. - Sensitivity to electrostatic discharge (ESD) requires proper handling during installation.

Working Principles

The AD5242BRUZ100 is based on the concept of a digital potentiometer. It consists of two independent potentiometers, each with 256 positions. The resistance between the wiper terminal and either terminal A or B can be digitally adjusted using the I2C interface.

The non-volatile memory ensures that the wiper position is retained even when power is disconnected. This feature allows for the restoration of previous settings upon power-up.

Detailed Application Field Plans

The AD5242BRUZ100 finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment, and equalization circuits.
2. Instrumentation: Calibration and signal conditioning circuits.
3. Industrial Control Systems: Variable resistance control in motor speed controllers, temperature controllers, and light dimmers.
4. Communication Systems: Signal attenuation and impedance matching circuits.
5. Automotive Electronics: Climate control systems, audio systems, and dashboard controls.

Detailed and Complete Alternative Models

1. AD5241BRUZ100